Chemistry
Chemistry, 03.09.2020 01:01, Emiliano15

The new element "Leo (L)" has three stable isotopes: L-82 (exact mass: 81.8735), L-85 (exact mass: 84.8322), and L-86 (exact mass: 85.6299). The relative abundances are 64.8%, 18.5%, and 16.7%, respectively. What is the average atomic
mass of element L?

answer
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 18:00, gegrgrkj
Which of the following is a compound? a. carbon b. oxygen c. hydrogen d. water
Answers: 2
image
Chemistry, 22.06.2019 07:30, bbyniah123
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
image
Chemistry, 22.06.2019 08:00, wizz4865
Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
Answers: 2
image
Chemistry, 22.06.2019 12:00, ctyrector
Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3
Answers: 1
Do you know the correct answer?
The new element "Leo (L)" has three stable isotopes: L-82 (exact mass: 81.8735), L-85 (exact mass: 8...

Questions in other subjects:

Konu
Mathematics, 03.07.2019 20:30